JPH08338644A - Air conditioner - Google Patents

Abstract

PURPOSE: To enable a blower motor to be easily and quickly removed from a main body by a method wherein there are provided a pair of inner and outer fixing fittings for holding the blower motor at both axial inner and outer sides and fixing it to a main body case and the outer fixing fitting is removably fixed to the main body case. CONSTITUTION: An air conditioner 11 stores a lateral-installed type indoor fan 13 acting as a lower within a rectangular cylindrical rear plate 12 constituted in a main body case while being connected to a front panel of an indoor machine or the like. In this case, an outer small diameter end part 16b of a fan motor 16 for the indoor fan 13 is supported by an outer motor fixing element 20 and at the same time the fan motor 16 s axially held by an inner motor fixing fitting 19 and an inner supporting stepped part 18. The outer motor fixing fitting 20 integrally molded by synthetic resin or the like, a fitted projection 20a at its lower end is removably fitted into a fixing fitting groove 12a of U-shaped section, for example, which is integrally formed at the inner bottom surface of the rear plate 12 so as to cause the outer motor fixing fitting 20 be vertically arranged.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner having an improved mounting structure for a horizontal motor of a blower such as an indoor fan.

[0002]

2. Description of the Related Art Conventionally, as an example of an air conditioner of this type, as shown in FIG. 6, an indoor fan 2 which is a blower is built sideways in a main body case 1 such as a rear plate of an indoor unit. There is something.

The indoor fan 2 has a rotary shaft 5 of a fan motor 4 connected to an unillustrated boss portion of one end of an impeller 3 such as a cross-flow fan by screwing or the like. A pair of projecting small cylindrical end portions 4 of small diameter
The lower half portions of a and 4b are placed on the jaws of the pair of left and right supporting step portions 6 and 7 integrally or integrally provided on the bottom surface of the main body case 1 or the like, and the fan motor 4 is mounted inside or outside ( The lateral direction is fixed by sandwiching it from the lateral direction.

A pair of small-diameter end portions 4 of the fan motor 4 are also provided.
By sandwiching the upper half of a and 4b in the figure from the inside and outside directions by the inner motor fixing tool 8 and the outer motor fixing tool 9, it is also fixed in the vertical direction together with the supporting step portions 6 and 7. It is like this.

[0005]

However, in such a conventional air conditioner, the lower half portion of the fan motor 4 is provided in the main body case 1 so as to project from the pair of left and right supporting step portions 6, 6.
Since it is sandwiched by 7 in the axial direction, there is a problem that it is not easy to remove the fan motor 4 from the main body case 1 by replacement or the like. That is, if the fan motor 4 is to be pulled outward in the axial direction, the outer surface of the fan motor 4 collides with the outer motor fixture 7 and cannot be pulled out. Therefore, it is necessary to remove the inner motor fixture 8 and the outer motor fixture 9. However, since the inner motor fixture 8 also serves to support and fix the heavy indoor heat exchanger 10, first, after removing the relatively large and heavy indoor heat exchanger 10, the inner and outer motor fixtures are further removed. It is necessary to remove the fan motor 4 after removing 8 and 9, respectively, which is very complicated and time-consuming.

Therefore, an object of the present invention is to provide an air conditioner in which the blower motor can be easily and quickly removed from the main body.

[0007]

An air conditioner according to a first aspect of the present invention is an air conditioner in which a blower is built in a main body case, and the motor of the blower is sandwiched between the inner and outer sides in the axial direction. It has a pair of inner and outer fixtures for fixing to the body case, and the outer fixtures are detachably attached to the body case.

A second aspect of the present invention is the invention of the air conditioner according to the first aspect, further comprising an outer fixture vertically divided along the radial direction of the motor shaft.

A third aspect of the invention is the invention of the air conditioner according to the second aspect, further comprising an upper fixing tool and a lower fixing tool connected by a hinge.

A fourth aspect of the invention is the invention of the air conditioner according to the second aspect, further, in both the upper and lower fixtures, a part of the upper fixture is an inner surface of a part of the lower fixture. It has overlapping overlapping parts on the sides.

A fifth aspect of the present invention is the invention of the air conditioner according to the third aspect, wherein the upper and lower fixtures have engaging portions that engage with each other in a freely detachable manner. .

[0012]

According to the invention of claim 1, there is provided a pair of inner and outer fixtures for sandwiching the motor of the blower on both the inner and outer sides in the axial direction and fixing it to the body case, and the outer fixtures are attached to the body case. Since it is detachably attached, the blower motor can be easily and quickly removed by simply removing the outer fixture from the main body case.

According to the second aspect of the present invention, since the outer fixture according to the first aspect is divided into upper and lower parts along the radial direction of the motor shaft, when removing the outer fixture from the main body case, It is not necessary to remove the entire outer fixture at once, but it is possible to gradually remove it from one of the upper and lower fixtures. Therefore, the outer fixing tool can be removed more easily and quickly, and the removal of the blower motor can be further simplified. These upper and lower fixtures are fixed to the body case such as a rear plate by screwing or the like.

According to the third aspect of the present invention, since the upper fixing tool and the lower fixing tool of the second aspect are connected by a hinge, they are always paired and separated even when the upper and lower fixing tools are removed. Absent. For this reason, the workability of removing the blower motor is improved, and it is possible to prevent the loss of one of the upper and lower fixtures, which facilitates the handling.

In the invention of claim 4, since a part of the upper fixture of claim 2 forms an overlapping portion which overlaps with an inner surface of a part of the lower fixture, the upper fixture is a blower motor. Therefore, even if it is pushed outward, it can be received by the overlapping portion of the lower fixing tool, so that the blower motor can be reliably clamped.

According to the invention of claim 5, since the upper and lower fixtures according to claim 3 have engaging portions that engage with each other in a disengageable manner, the engaging portions can be engaged with each other. It can be integrated, and when the outer fixing tool is carried by itself, it is possible to prevent one of the outer fixing tools from hanging around with a hinge and improve the ease of handling.

[0017]

Embodiments of the present invention will be described below with reference to FIGS. 1 to 5, the same or corresponding parts are designated by the same reference numerals.

FIG. 1 is a vertical cross-sectional view of an essential part of an embodiment of the present invention. In this figure, an air conditioner 11 is connected to a front panel of an indoor unit (not shown) or the like and is formed into a main case. Inside the cylindrical rear plate 12, a horizontal type indoor fan 13 which is a blower, an indoor heat exchanger 14 and the like are incorporated.

The indoor fan 13 has a rotary shaft 17 of a horizontal type fan motor 16 detachably connected to a boss (not shown) at one end of an impeller 15 such as a cross flow fan. Small-cylindrical small-diameter end portions 16a and 16b are integrally or integrally provided at both axial end portions.

The lower half portion of the inner small-diameter end portion 16a of the fan motor 16 is placed on and supported by the semi-arcuate jaw of the inner supporting step portion 18, and the upper half portion thereof is fixed to the inner motor fixture 19. It is supported so as to be pressed downward from above by the semi-circular jaws of and is sandwiched from the vertical direction in the figure. The inner support step portion 18 is integrally erected on one surface such as the inner bottom surface of the rear plate 12 together with the inner motor fixture 19.

The outer small-diameter end portion 16b of the motor 16 is supported by the outer motor fixture 20, and the fan motor 16 is axially clamped by the inner motor fixture 19 and the inner support step 18.

As shown in FIGS. 2 to 5, the outer motor fixture 20 is integrally molded of, for example, synthetic resin, and the fitting projection 20a at the lower end thereof is integrally formed on the inner bottom surface of the rear plate 12, for example. For example, the outer motor fixture 20 is removably fitted into a fitting fitting groove 12a having a U-shaped cross section.
Is set up.

As shown in FIG. 2, the outer motor fixture 20 has a small circular recess 20b into which the outer small-diameter end 16b of the fan motor 16 can be fitted with some play on the inner surface thereof.
Is formed integrally with each other, and a small circular through hole 20c is formed substantially at the center of the circular recess 20b. Also, the circular recess 20b
As shown in FIGS. 3 to 5, the outer motor fixture 20 itself is divided into upper and lower parts so that the upper and lower parts are substantially bisected.
Upper and lower motor fixtures 21 and 22 are configured.

Then, the upper and lower motor fixtures 21, 2
One end of 2 is a short strip-shaped hinge 23 having flexibility.
4 and 5, as shown in FIGS. 4 and 5, the upper and lower motor fixtures 21 can be opened and closed appropriately at an angle of, for example, 180 ° or more around the hinge 23. A fitting groove 22a is formed in the upper surface of the drawing for loosely fitting the fitting wall 21a of the upper motor fixture 21 in a disengageable manner.

Therefore, the upper and lower motor fixtures 21 and 2 are
Even if 2 is loosely separated by the hinge 23, by fitting the fitting wall 21a of the upper motor fixture 21 into the fitting groove 22a, the hanging is prevented and the pair (as shown in FIGS. 2 and 3). Can be connected as a pair).

In addition, at one end of the lower motor fixture 22,
While the outer side wall 22b for superposition | polymerization is integrally formed, the inner side wall 21b for superposition | polymerization which overlaps partially inside this outer side wall 22b for superposition is integrally formed in the one end part of the upper motor fixing tool 21. The inner side wall 21b is adapted to enter the inside of the outer side wall 22b for polymerization.

Therefore, even if the upper motor fixing member 21 is pushed outward by the fan motor 16 in the axial direction, the inner side wall 21b for superposition of the upper motor fixing member 21 is moved to the lower motor fixing member 2.
Since it is received by the inner surface of the second polymerization outer wall 22b, the fan motor 16 can be reliably held.

Then, the rear plate 1 is arranged so as to sandwich the fan motor 16 with the upper and lower motor fixtures 21 and 22 closed.
2 and the hinges 2 of the upper and lower motor fixtures 21 and 22.
A pair of mounting insertion holes 21c formed at one end on the 3 side,
22c and a pair of mounting insertion holes 21d, 22d formed at one end on the opposite side of the hinge 23, by inserting a mounting screw (not shown) into the mounting screw hole (not shown) of the rear plate 12 The entire outer motor fixture 20 is fixed to the rear plate 12.

Therefore, according to the present embodiment, when the fan motor 16 is removed from the rear plate 12 for replacement or the like,
First, the insertion holes 21c, 22 for mounting the outer motor fixture 20
Loosen the mounting screws (not shown) inserted through the inside of c and the inside of 21d, 22d and remove from the rear plate 12, and rotate the upper motor fixture 21 around the hinge 23 by a required angle to open it, as shown in FIGS. , The outer protruding end 1 of the fan motor 16
Open the upper half of 6b. Next, the lower motor fixture 22
Is rotated by a required angle around the center of the through hole 20c, and the fitting protrusion 20a is removed from the fixing fitting groove 12a of the rear plate 12.

As a result, the outer side (right side in FIG. 1) of the fan motor 16 is almost entirely released, so that the fan motor 16 can be removed easily and quickly and surely by pulling it out. That is, unlike the conventional example shown in FIG. 6, it is not necessary to remove the relatively large and heavy indoor heat exchanger 10, the inner motor fixture 8, and the like,
Since it is only necessary to remove the outer motor fixture 20,
The workability of removing the fan motor 16 can be improved.

Even when the outer motor fixing tool 20 is removed from the rear plate 12, the outer motor fixing tool 20 moves upward.
Since the lower motor fixtures 21 and 22 are vertically divided into two, the upper and lower motor fixtures 21 and 22 can be easily and quickly removed.

[0032]

As described above, according to the first aspect of the invention, the fan motor has a pair of inner and outer fixtures for clamping the motor on both the inner and outer sides in the axial direction and fixing it to the body case. Since the outer fixing tool is detachably attached to the main body case, the blower motor can be easily and quickly removed by simply removing the outer fixing tool from the main body case.

In the invention of claim 2, since the outer fixture according to claim 1 is divided into upper and lower parts along the radial direction of the motor shaft, the outer fixture can be removed more easily and quickly. Therefore, the motor for the blower can be removed more easily. These upper and lower fixtures are fixed to the body case such as a rear plate by screwing or the like.

In the third aspect of the invention, since the upper fixing tool and the lower fixing tool of the second aspect are connected by a hinge, they are always paired and separated even when the upper and lower fixing tools are removed. Absent. For this reason, the workability of removing the blower motor is improved, and it is possible to prevent the loss of one of the upper and lower fixtures, which facilitates the handling.

In the invention of claim 4, since a part of the upper fixture of claim 2 forms an overlapping portion which overlaps the inner surface side of a part of the lower fixture, the upper fixture is a blower motor. Therefore, even if it is pushed outward, it can be received by the overlapping portion of the lower fixing tool, so that the blower motor can be reliably clamped.

According to the invention of claim 5, since the upper and lower fixtures according to claim 3 have engaging portions which engage with each other in a disengageable manner, the engaging portions can be engaged with each other. ,
When the outer fixing tool is carried by itself, it is possible to prevent one of the outer fixing tools from hanging around with a hinge and to improve the ease of handling.

[Brief description of drawings]

FIG. 1 is an enlarged longitudinal sectional view of an essential part of an embodiment of an air conditioner according to the present invention.

FIG. 2 is a front view showing the inner side of the outer motor fixture shown in FIG.

FIG. 3 is a rear view of FIG.

FIG. 4 is a rear view of the outer motor fixture shown in FIG. 3 in an open state.

FIG. 5 is a front view of the outer motor fixture shown in FIG. 2 in an open state.

FIG. 6 is a partially enlarged vertical sectional view of a conventional example.

[Explanation of symbols]

 11 Air Conditioner 12 Rear Plate 12a Fitting Groove 13 Indoor Fan (Blower) 14 Indoor Heat Exchanger 15 Impeller 16 Fan Motor (Blower Motor) 16a, 16b A Pair of Small-diameter Ends of Fan Motor 18 Inner Support Step 19 Inner Motor Fixture 20 Outer Motor Fixture 20a Fitting Protrusion 21 Upper Motor Fixture 21a Fitting Wall 21b Polymerization Outer Wall 21c Insertion Hole 21d Insertion Hole 22 Lower Motor Fixture 22a Fitting Groove 22b Overlap Inner Wall 22c Insertion hole 22d Insertion hole 23 Hinge

Claims (5)

[Claims] 1. An air conditioner having a blower built in a main body case, comprising a pair of inner and outer fixtures for clamping the motor of the blower on both inner and outer sides in the axial direction to fix the blower motor to the main body case. The air conditioner is characterized in that the outer fixture is detachably attached to the main body case. 2. The air conditioner according to claim 1, wherein the outer fixture is vertically divided along the radial direction of the motor shaft. 3. The air conditioner according to claim 2, wherein the upper fixing tool and the lower fixing tool are connected by a hinge. 4. The air conditioner according to claim 2,
An air conditioner characterized in that both the upper and lower fixtures have a superposition section in which a part of the upper fixture overlaps an inner surface side of a part of the lower fixture. 5. The air conditioner according to claim 3,
The air conditioner, wherein the upper and lower fixtures have engaging portions that engage with each other in a detachable manner.